2799121541 has 2 divisors, whose sum is σ = 2799121542. Its totient is φ = 2799121540.

The previous prime is 2799121517. The next prime is 2799121543. The reversal of 2799121541 is 1451219972.

It is a happy number.

2799121541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2328448516 + 470673025 = 48254^2 + 21695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2799121541 - 2¹⁰ = 2799120517 is a prime.

Together with 2799121543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2799121543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399560770 + 1399560771.

It is an arithmetic number, because the mean of its divisors is an integer number (1399560771).

Almost surely, 2^2799121541 is an apocalyptic number.

It is an amenable number.

2799121541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2799121541 is an equidigital number, since it uses as much as digits as its factorization.

2799121541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 41.

The square root of 2799121541 is about 52906.7249128124. The cubic root of 2799121541 is about 1409.3123318765.

The spelling of 2799121541 in words is "two billion, seven hundred ninety-nine million, one hundred twenty-one thousand, five hundred forty-one".